Online co-op 2D Platformer games

Every online co-op 2D Platformer game on Steam we know of, newest first. Add tags or a price band to narrow it down.

Showing 1–10 of 238 games matching 2D Platformer Β· updated 12 Oct 2026

Filters: 2D Platformer Γ— Clear all
$$
Released
Price
$$ Β· Standard
Players
πŸ‘₯ Not stated

Tower defense where the maze is yours to build and the ammunition is yours to manufacture. 16 towers, a factory of belts and assemblers fed by enemy debris, and a card every wave. Reach wave 50 β€” then find out that Hard was the easy one.

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$$
Released
Price
$$ Β· Standard
Players
πŸ‘₯ Up to 4 players
Reviews
69% of 2,059

Dive into the cybermyth roguelike chaos of Neon Abyss 2! Now featuring up to 4-player online co-op, more combat styles, and unlimited item synergies, every run delivers a dramatic, action-packed experience you won't forget.

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Free
Released
Price
Free
Players
πŸ‘₯ Not stated
Reviews
94% of 35

Work together to complete one million levels, one player at a time. Continue where the previous left off. Chat with others while you wait for your turn. How long will it take?

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ 1–16 players

Multiplayer pixel-art horror for 1-16 players. A manor drowned in darkness, a candle as your only ally, a monster on the prowl β€” and maybe traitors among you. Scavenge, barricade, hide, vote… and survive the night.

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Not stated

Dig, build, cook, cast spells and survive royal levies in a darkly funny 2D pixel sandbox. Explore dangerous locations, manage resources, fight strange creatures and grow strong enough to challenge the king.

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Free
Released
Price
Free
Players
πŸ‘₯ Up to 4 players
Reviews
50% of 2

Play with up to 4 players in a game of Moonball! A 2d platformer sport game involving skill and sometimes a bit of luck ;) Score on the opposing team by knocking the ball into their goal! Pick up weapons and wacky power-ups to give your team and advantage...or disadvantage.

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Not stated

This game is a 2D shooter adventure where players can jump around and shoot at enemies by aiming with the mouse. You can also use rolling and weapon assembling to defeat all kinds of enemies, while experiencing a fantastical mental adventure about self-judgement and introspection.

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Up to 2 players

A night survival horror where your flashlight is your best weapon. Scavenge by day, defend the beacon by night and survive 14 days β€” alone or with a friend in the new online co-op.

$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Up to 14 players
Reviews
100% of 2

Escape the rising lava in this challenging online co-op platformer! Team up with up to 14 players, overcome deadly traps, solve puzzles, and race to the exit before the lava catches everyone.

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